Variable angle friction clutch mechanism for a draft gear assemb

Details Variable angle friction clutch mechanism for a draft gear assemb Variable angle friction clutch mechanism for a draft gear assemb

1994-01-21

1995-08-22

Le, Mark T.

Railway draft appliances

Cushioned

Combined spring and friction

213 32A, 213 32R, 213 36, 213 37, 213 34, B61G 700

Patent

active

054431700

ABSTRACT:
A draft gear assembly having a variable angle friction clutch mechanism is provided. The assembly includes a housing member having a compressible cushioning element disposed adjacent a closed end thereof. A seat member is disposed between one end of the compressible cushioning element and an open end of the housing member. A friction cushioning mechanism is positioned at least partially within the open end of the housing member and includes a plurality of friction surfaces disposed on a plurality of friction elements with at least one wedge member being engageable with the plurality of friction surfaces. At least one resilient member is provided-to enable the friction cushioning mechanism to exhibit a variable angle. The resilient member is engageable with at least one of the friction elements and exerts a lateral force on the friction cushioning mechanism which is at least sufficient to maintain all of the friction surfaces in frictional engagement during the useful life of the draft gear assembly.

REFERENCES:
patent: 1251089 (1917-12-01), O'Connor
patent: 1904379 (1933-04-01), Miner
patent: 1931480 (1933-10-01), Barrows
patent: 1988426 (1935-01-01), Barrows
patent: 3447693 (1969-06-01), Cardwell
patent: 3690413 (1972-09-01), Airheart
patent: 4809419 (1989-03-01), Loonam

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